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Finding the Fourth Proportional to 126,847, 175,048.86 and 70,262.02

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Solution

The fourth proportional to 126,847, 175,048.86 and 70,262.02 is: 96,961.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,847 : 175,048.86 = 70,262.02 : x
  2. Step 2: Convert to fraction form
    126,847/175,048.86 = 70,262.02/x
  3. Step 3: Cross multiply
    126,847x = 175,048.86 × 70,262.02
  4. Step 4: Simplify right side
    126,847x = 12,299,286,502.30
  5. Step 5: Solve for x
    x = 12,299,286,502.30/126,847
  6. Step 6: Final answer
    x = 96,961.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.